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<table width="100%"><tr><td>gen.trun(gamlss.tr)</td><td align="right">R Documentation</td></tr></table><object type="application/x-oleobject" classid="clsid:1e2a7bd0-dab9-11d0-b93a-00c04fc99f9e">
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<h2>Generates a Truncate Distribution from a gamlss.family</h2>


<h3>Description</h3>

<p>
The <code>gen.trun()</code> function allows the user to generate the <code>d</code>, the <code>p</code>, the <code>q</code>, the <code>r</code> and the 
<code>gamlss</code> fitting functions of a truncated  distribution given that the input <code>family</code> is a current GAMLSS family distribution.
</p>


<h3>Usage</h3>

<pre>
gen.trun(par = c(0), family = "NO", name = "tr", type = c("left", "right", "both"), ...)
</pre>


<h3>Arguments</h3>

<table summary="R argblock">
<tr valign="top"><td><code>par</code></td>
<td>
a vector with one (for <code>left</code> or <code>right</code> truncation) or two elements for <code>both</code> </td></tr>
<tr valign="top"><td><code>family</code></td>
<td>
a <code><a onclick="findlink('gamlss', 'gamlss.family.html')" style="text-decoration: underline; color: blue; cursor: hand">gamlss.family</a></code> object, which is used to define the distribution and the link functions of the various parameters. 
The distribution families supported by <code>gamlss()</code> can be found in <code><a onclick="findlink('gamlss', 'gamlss.family.html')" style="text-decoration: underline; color: blue; cursor: hand">gamlss.family</a></code>.
Functions such as BI() (binomial) produce a family object.</td></tr>
<tr valign="top"><td><code>name</code></td>
<td>
the characters you want to add to the name of new truncated distribution, by default adds <code>tr</code></td></tr>
<tr valign="top"><td><code>type</code></td>
<td>
whether <code>left</code>, <code>right</code> or in <code>both</code> sides truncation is required  </td></tr>
<tr valign="top"><td><code>...</code></td>
<td>
for extra arguments</td></tr>
</table>

<h3>Details</h3>




<h3>Value</h3>

<p>
Returns  the <code>d</code>, the <code>p</code>, the <code>q</code> and the <code>r</code> functions of 
a truncated  distribution</p>

<h3>Note</h3>




<h3>Author(s)</h3>

<p>
Mikis Stasinopoulos <a href="mailto:d.stasinopoulos@londonmet.ac.uk">d.stasinopoulos@londonmet.ac.uk</a> and Bob Rigby <a href="mailto:r.rigby@londonmet.ac.uk">r.rigby@londonmet.ac.uk</a>
</p>


<h3>References</h3>

<p>
Rigby, R. A. and  Stasinopoulos D. M. (2005). Generalized additive models for location, scale and shape,(with discussion), 
<EM>Appl. Statist.</EM>, <B>54</B>, part 3, pp 507-554.
</p>
<p>
Stasinopoulos D. M., Rigby R.A. and Akantziliotou C. (2003) Instructions on how to use the GAMLSS package in R.
Accompanying documentation in the current GAMLSS  help files, (see also  <a href="http://www.gamlss.com/">http://www.gamlss.com/</a>).
</p>


<h3>See Also</h3>

<p>
<code><a href="trun.d.html">trun.d</a></code>, <code><a href="trun.p.html">trun.p</a></code>, <code><a href="trun.q.html">trun.q</a></code>, <code><a href="trun.r.html">trun.r</a></code>
</p>


<h3>Examples</h3>

<pre>
gen.trun(par=c(0,100),family="TF", name="0to100", type="both")
plot(function(x) dTF0to100(x, mu=80 ,sigma=20, nu=5), 0, 100)
plot(function(x) pTF0to100(x, mu=80 ,sigma=20, nu=5), 0, 100)
plot(function(x) qTF0to100(x, mu=80 ,sigma=20, nu=5), 0.01, .999)
hist(s1&lt;-rTF0to100(1000, mu=80 ,sigma=20, nu=5))
m1&lt;-gamlss(s1~1, family=TF0to100)
</pre>

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